MDL-61657 block_myoverview: implement course images for the myoverview block

lib/geopattern-php/GeoPattern/SVGElements/Rectangle.php

@@ -0,0 +1,17 @@
+<?php namespace RedeyeVentures\GeoPattern\SVGElements;
+
+class Rectangle extends Base
+{
+    protected $tag = 'rect';
+
+    function __construct($x, $y, $width, $height, $args=array())
+    {
+        $this->elements = [
+            'x' => $x,
+            'y' => $y,
+            'width' => $width,
+            'height' => $height,
+        ];
+        parent::__construct($args);
+    }
+}